See also:

Releasing the parking brake manually
In the event of an electrical power loss or electrical malfunction, you can release the parking brake manually. Secure the vehicle against rolling Before releasing the parking brake manually, ...

Safety
BMW's inflatable tubular Head Protection System includes side curtain-type airbags for the first and second rows. Front-seat side-impact airbags are installed, and rear side-impact airbags are opt ...

Closing the windows and glass sunroof/panoramic glass sunroof
Driving with the glass sunroof/panoramic glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...